Te Warowaihā Hiraka Kua Whakakāhia Anō (RXSIC, ReSIC, RSIC, R-SIC). Ko te rauemi mata tuatahi ko te warowaihā hiko. Kāore he āwhina whakakīkī e whakamahia ana. Ka whakamahanahia ngā konganuku matomato ki runga ake i te 2200ºC hei whakakīkī whakamutunga. Tata ki te 25% te porosity o te rauemi hua, e whakawhāiti ana i ōna āhuatanga miihini; heoi, ka taea e te rauemi te tino parakore. He tino ohanga te tukanga.
Te Kapia Hiraka Hononga Tauhohenga (RBSIC). Ko ngā rauemi mata ko te kapia hiraka me te waro. Kātahi ka whakauruhia te wāhanga matomato ki te hiraka rewa i runga ake i te 1450ºC me te tauhohenga: SiC + C + Si -> SiC. Ko te hanganga iti he nui te hiraka, e whakawhāiti ana i ōna āhuatanga pāmahana teitei me te ātete ki te waikura. He iti noa ngā huringa āhua e puta ana i te wā o te tukanga; heoi, he maha ngā wā ka kitea he paparanga hiraka i runga i te mata o te wāhanga whakamutunga. Ko ngā ZPC RBSiC e whakamahi ana i te hangarau matatau, e whakaputa ana i te arai ātete kakahu, ngā pereti, ngā taera, te arai āwhiowhio, ngā poraka, ngā wāhanga koretake, me ngā pūwero FGD ātete kakahu me te waikura, te whakawhiti wera, ngā paipa, ngā ngongo, me ētahi atu.
Ko te Nitride Bonded Silicon Carbide (NBSIC, NSIC). Ko ngā rauemi mata ko te silicon carbide me te paura silicon. Ka tahuna te matū matomato i roto i te hauota hauota, ka puta te tauhohenga SiC + 3Si + 2N2 -> SiC + Si3N4. He iti noa te huringa āhua o te rauemi whakamutunga i te wā e tukatukahia ana. He taumata porosity te rauemi (tata ki te 20%).
Te Kapia Hiraka Hiraka Tika (SSIC). Ko te kapia hiraka te rauemi mata tīmatanga. Ko ngā āwhina whakakīkī he boron me te waro, ā, ka puta te whakakīkī mā te tukanga tauhohenga āhua-totoka i runga ake i te 2200ºC. He pai ake ōna āhuatanga pāmahana teitei me te ātete ki te waikura nā te kore o te wāhanga tuarua karāhe i ngā rohe kōhatu.
Ko te Kapirati Hiraka Whakakotahi Āhua Wai (LSSIC). Ko te kapirati hikareti te rauemi mata tīmatanga. Ko te waikura yttrium me te waikura konumohe hei āwhina i te whakakīkī. Ka puta te whakakīkī i runga ake i te 2100ºC mā te tauhohenga ā-āhua wai, ā, ka hua ake he ā-āhua tuarua karāhe. Ko ngā āhuatanga ā-pūkaha he pai ake i te SSIC, engari kāore i te tino pai ngā āhuatanga pāmahana teitei me te ātete ki te waikura.
Te Warowaihā Silikoni Wera (HPSIC). Ko te paura warowaihā silikoni te rauemi mata tuatahi. Ko ngā āwhina whakakīkī ko te boron me te waro, te waikura yttrium rānei me te waikura konumohe. Ka puta te whakakīkī mā te whakamahi i te pēhanga miihini me te pāmahana i roto i te kōhao mate karāpeti i te wā kotahi. He pereti māmā ngā āhua. Ka taea te whakamahi i te iti o ngā āwhina whakakīkī. Ka whakamahia ngā āhuatanga miihini o ngā rauemi wera hei tūāpapa hei whakataurite i ētahi atu tukanga. Ka taea te whakarerekē i ngā āhuatanga hiko mā ngā huringa o ngā āwhina whakakīkī.
CVD Silicon Carbide (CVDSIC). Ka hangaia tēnei rauemi mā te tukanga whakatakoto kohu matū (CVD) e uru ana ki te tauhohenga: CH3SiCl3 -> SiC + 3HCl. Ka mahia te tauhohenga i raro i te hau H2 me te whakatakoto i te SiC ki runga i te papa graphite. Ka hua ake he rauemi tino parakore i te tukanga; heoi, ko ngā pereti māmā anake ka taea te hanga. He tino utu nui te tukanga nā te puhoi o te wā tauhohenga.
Te Matū Kohu Hikohiko Hikohiko (CVCSiC). Ka tīmata tēnei tukanga me tētahi matū whakaputa karapiti motuhake ka mīhinihia kia tata ki ngā āhua kupenga i roto i te āhua karapiti. Ka tukuna te wāhanga karapiti ki tētahi tauhohenga āhua totoka kohu i roto i te tūnga hei whakaputa i tētahi SiC polycrystalline, he tika te stoichiometric. Mā tēnei tukanga e whakahaeretia ana kia taea ai te whakaputa i ngā hoahoa uaua i roto i tētahi wāhanga SiC kua hurihia katoatia he āhuatanga manawanui kiato me te parakore teitei. Ka whakapotohia e te tukanga tahuritanga te wā whakaputa noa, ā, ka whakaitihia ngā utu i runga i ētahi atu tikanga.* Puna (haunga ngā wāhi kua tohua): Ceradyne Inc., Costa Mesa, Calif.
Te wā tuku: Pipiri-16-2018